transitive verb
am·​phib·​o·​li·​tize | \amˈfibələˌtīz, ˌamfəˈbōlə-\

Definition of amphibolitize 

: to convert (rock) to amphibolite

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First Known Use of amphibolitize

1894, in the meaning defined above

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The first known use of amphibolitize was in 1894

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